skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 6
Patent #:
Issue Dt:
07/15/2014
Application #:
13518040
Filing Dt:
06/21/2012
Publication #:
Pub Dt:
05/16/2013
Inventors:
Petrus Wilhelmus Nicolaas Maria van Leeuwen, Mathieu Tschan, Zoraida Freixa et al
Title:
NOVEL PHOSPHINE-BASED CATALYSTS USEFUL FOR THE TELOMERIZATION OF BUTADIENE
Assignment: 1
Reel/Frame:
032796/0305Recorded: 05/01/2014Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/05/2011
Assignee:
HERBERT H. DOWWEG 5
NM HOEK, NETHERLANDS 4542
Correspondent:
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 2
Reel/Frame:
032796/0343Recorded: 05/01/2014Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/11/2011
Exec Dt:
01/05/2011
Exec Dt:
01/04/2011
Assignee:
AV. PAISOS CATALANS 16
TARRAGONA, SPAIN E-43007
Correspondent:
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 3
Reel/Frame:
032796/0372Recorded: 05/01/2014Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/28/2011
Assignee:
RIBERA DEL LOIRA 4-6
MADRID, SPAIN 28042
Correspondent:
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 4
Reel/Frame:
032796/0382Recorded: 05/01/2014Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/07/2011
Assignee:
2030 DOW CENTER
MIDLAND, MICHIGAN 48674
Correspondent:
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 5
Reel/Frame:
032796/0311Recorded: 05/01/2014Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/15/2011
Assignee:
2030 DOW CENTER
MIDLAND, MICHIGAN 48674
Correspondent:
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 6
Reel/Frame:
032796/0394Recorded: 05/01/2014Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/15/2011
Assignee:
2040 DOW CENTER
MIDLAND, MICHIGAN 48674
Correspondent:
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674

Search Results as of: 08/04/2025 09:48 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT